/*
 * Copyright 2024 Web3 Labs Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
package org.web3j.codegen;

import java.io.IOException;
import java.util.Collections;
import javax.tools.*;

import static org.junit.jupiter.api.Assertions.assertTrue;

public class GeneraterTestUtils {

    public static void verifyGeneratedCode(String sourceFile) throws IOException {
        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
        DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();

        try (StandardJavaFileManager fileManager =
                compiler.getStandardFileManager(diagnostics, null, null)) {
            Iterable<? extends JavaFileObject> compilationUnits =
                    fileManager.getJavaFileObjectsFromStrings(
                            Collections.singletonList(sourceFile));
            JavaCompiler.CompilationTask task =
                    compiler.getTask(null, fileManager, diagnostics, null, null, compilationUnits);
            assertTrue(task.call(), "Generated contract contains compile time error");
        }
    }
}
